Officers responded to the station regarding Malcolm Harper (9/18/94, Oakland) who was creating a disturbance aboard a train that was being held. Initial reports were that Harper stated he had a gun. Harper was contacted, no gun was found on his person or the train. An automated return on Harper revealed a 10k warrant out of East Palo Alto for resisting arrest. Harper was taken into custody and booked at the Martinez Detention Facility. Harper did not have a ticket in his possession.